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US Patent: 578,421
Wrench
Stay-Bolt Wrench or Chuck
Patentee:
Edwin H. Reed (exact or similar names) - Omaha, NE

USPTO Classifications:
81/111, 81/53.2

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. H. Russell
J. B. McKitrick
Patent Dates:
Applied: Feb. 01, 1896
Granted: Mar. 09, 1897

Patent Pictures:
Edwin H. Reed patent March 9, 1897
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Description:
The socket portion is round, with a cam having two teeth. The back side has a square stud for another wrench.

The specifications note patent no. 453,537 and differentiate this tool from the features in that patent.

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